Browsing NTNU Open by Author "Rød-Eriksen, Lars"
Now showing items 1-6 of 6
-
A battle of the mountains: Intraguild competition between arctic fox Vulpes lagopus and red fox Vulpes vulpes
Grevskott, Ragnhild Thorseth (Master thesis, 2019)Fjellreven (Vulpes lagopus) er en truet art i Fennoskandia. Konkurranse med rødreven (Vulpes vulpes) er regnet som en av hovedtruslene for fjellrevens utbredelse. Flere bevaringstiltak har blitt satt i gang for å redde ... -
Drivers of change in meso-carnivore distributions in a northern ecosystem
Rød-Eriksen, Lars (Doctoral theses at NTNU;2020:182, Doctoral thesis, 2020)Species have been subject to major perturbations in recent times, such as over-harvest, habitat loss and climate change, affecting their distribution and abundance. Alpine and arctic tundra ecosystems are particularly ... -
Fitness and fur colouration: Testing the camouflage and thermoregulation hypotheses in an Arctic mammal
Di Bernardi, Cecilia; Thierry, Anne-Mathilde; Eide, Nina Elisabeth; Bowler, Diana Elizabeth; Rød-Eriksen, Lars; Blumentrath, Stefan; Tietgen, Lukas; Sandercock, Brett; Flagstad, Øystein; Landa, Arild (Peer reviewed; Journal article, 2021)1. Selection for crypsis has been recognized as an important ecological driver of animal colouration, whereas the relative importance of thermoregulation is more contentious with mixed empirical support. A potential thermal ... -
Highways associated with expansion of boreal scavengers into the alpine tundra of Fennoscandia
Rød-Eriksen, Lars; Skrutvold, Johanna; Herfindal, Ivar; Jensen, Henrik; Eide, Nina Elisabeth (Peer reviewed; Journal article, 2020)1. Habitat fragmentation may affect species distributions through, for example, altered resource availability and shifts in species interactions. Fragmentation by roads has had negative impacts on Fennoscandian alpine ... -
Predator co-occurrence in alpine and Arctic tundra in relation to fluctuating prey
Rød-Eriksen, Lars; Killengreen, Siw Turid; Ehrich, Dorothee; Ims, Rolf Anker; Herfindal, Ivar; Landa, Arild; Eide, Nina Elisabeth (Peer reviewed; Journal article, 2022)1. Large carnivores influence ecosystem dynamics in multiple ways, for example, by suppressing meso-carnivores and providing carrions for smaller scavengers. Loss of large carnivores is suggested to cause meso-carnivore ... -
Scavenger community structure along an environmental gradient from boreal forest to alpine tundra in Scandinavia
Gomo, Gjermund; Rød-Eriksen, Lars; Andreassen, Harry Peter; Mattisson, Jenny; Odden, Morten; Devineau, Olivier; Eide, Nina Elisabeth (Journal article; Peer reviewed, 2020)Scavengers can have strong impacts on food webs, and awareness of their role in ecosystems has increased during the last decades. In our study, we used baited camera traps to quantify the structure of the winter scavenger ...